History of Dogma, Volume 2

Monasticism: Its Ideals and History and the Confessions of St. Augustine

Cold-Case Christianity: A Homicide Detective Investigates the Claims of the Gospels

History of Dogma, Volume 3

Sources of the Apostolic Canon: with a Treatise on the Origin of the Readership and Other Lower Orders

History of Dogma, Volume 4

The Cost of Discipleship

History of Dogma, Volume 6

The Letter from Rome to Corinth from the Era of Domitian: 1 Clement

Zealot: The Life and Times of Jesus of Nazareth

History of Dogma, Volume 7

The Sayings of Jesus: The Second Source of St. Matthew and St. Luke

The Gnostic Bible: Revised and Expanded Edition

The Apostles' Creed

Beyond Belief: The Secret Gospel of Thomas

Luke the Physician: The Author of the Third Gospel and the Acts of the Apostles

Becoming Divine: An Introduction to Deification in Western Culture

Outlines of the History of Dogma

What It Means to Be Protestant: The Case for an Always-Reforming Church

Bible Reading in the Early Church